Long multiplication: Difference between revisions

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@@ Line 2,398: / Line 2,398: @@
     // Javascript lacks an unbounded integer type
-    // so this multiplication function needs arbitrary precision integer string arguments
+    // so this multiplication function takes and returns
-    // (rather than native integer arguments) for full precision at scales beyond c. 2^54
+    // long integer strings rather than any kind of native integer
@@ Line 2,407: / Line 2,407: @@
             digitProducts(digits(num1), digits(num2))
         );
-    }
+    }
     // digitProducts :: [Int] -> [Int] -> [Int]
@@ Line 2,436: / Line 2,436: @@
     function largeIntegerString(lstColumnValues) {
         var dctProduct = lstColumnValues
-            .reduceRight(function (a, x, i, l) {
+            .reduceRight(function (a, x) {
                 var intSum = x + a.carried,
                     intDigit = intSum % 10;